Tourism threatened by climate change as ski slopes thaw, seas rise

Climate change is a growing threat to tourism, from thawing ski resorts to coral reefs hit by warmer seas, and the industry itself should do more to curb its soaring greenhouse gas emissions, a new study shows.

Tourism's greenhouse gas emissions, on current rising trends buoyed by ever more travel, are set to reach about 10 per cent of the world total by 2025 from between 3.9 and 6 per cent now, it said.

"The tourism industry will be severely impacted by climate change," according to the study by Cambridge University's Institute for Sustainability Leadership (CISL) and its Judge Business School and the European Climate Foundation.

Perisher's ski fields are doing better, according to snow cam.

Coral reefs, for instance, contributed $US11.5 billion ($12.3 billion) a year to tourism earnings and are under threat from warmer sea temperatures, rising sea levels and an acidification caused by a build-up of carbon dioxide in the atmosphere, it said.

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And warmer winters are shortening winter sports seasons and threatening the viability of some ski resorts, according to the report which distils findings about tourism from studies this year by the UN panel of climate scientists.

Ski resorts can try to adapt by attracting summer hikers, for instance, or buy more snow making machines. "But it is hard to tell a positive story around ski resorts," Eliot Whittington, climate change director at CISL, told Reuters.

Australian ski resorts have got off to a slow season, particularly in Victoria where Mt Buller is still green as of Wednesday. NSW resorts are faring better after weekend falls got the ski season going.

Alaska wins

A few areas of the world might benefit from a shift in tourism, such as Alaska or northern Europe. And elsewhere, seasons may shift.

The report said the Costa Brava region of Spain's Mediterranean coast, for instance, was trying to draw tourists outside the summer months, responding to a lack of water and high temperatures during the high season.

The study also said there was some evidence of people travelling to new destinations at risk of vanishing in a warming world, such as glaciers, the Arctic, Antarctica or coral atolls.

"However, the opportunities presented by such 'last-chance' tourism will, by definition, be short-lived," the report said.

It also said that an increase of 1 metre (3 feet) in sea level rise this century - the upper bound of scenarios by the UN panel - would damage up to 60 per cent of resort properties in the Caribbean and swamp many airports and ports.

"Every part of the industry needs to ... think about what more can be done to adapt to climate change, as well as how to continue the process of reducing the impact of their operations on the environment," Stephen Farrant, director of the International Tourism Partnership, said in a statement attached to the report.

Travel accounts for about 75 per cent of tourism's greenhouse gas emissions. More efficient planes, vehicles and greener fuels could help curb emissions, it said.